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rust-clippy/tests/ui/outer_expn_data.rs

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// run-rustfix
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#![deny(clippy::internal)]
#![feature(rustc_private)]
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extern crate rustc_hir;
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extern crate rustc_lint;
extern crate rustc_middle;
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#[macro_use]
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extern crate rustc_session;
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use rustc_hir::Expr;
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use rustc_lint::{LateContext, LateLintPass};
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declare_lint! {
pub TEST_LINT,
Warn,
""
}
declare_lint_pass!(Pass => [TEST_LINT]);
impl<'tcx> LateLintPass<'tcx> for Pass {
fn check_expr(&mut self, _cx: &LateContext<'tcx>, expr: &'tcx Expr) {
let _ = expr.span.ctxt().outer_expn().expn_data();
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}
}
fn main() {}